OBJECTIVES
• To have an overview of signals and systems.
• To study DFT & FFT
• To study the design of IIR filters.
• To study the design of FIR filters.
• To study the effect of finite word lengths & applications of DSP

UNIT I SIGNALS AND SYSTEMS 9
Basic elements of digital signal Processing –Concept of frequency in continuous time and discrete time signals – Sampling theorem –Discrete time signals. Discrete time systems – Analysis of Linear time invariant systems –Z transform –Convolution and correlation.